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Evolution Review Sheet Instructions: choose the letter of the response which best completes the sentence or answers the question. 1. What is the name of the theory that the universe began as a dense concentration of all the matter in the universe that exploded outward? 2. Hugh masses of incandescent hydrogen carrying on fusion reactions are called 3. Name three reasons why life could not survive on early earth 4. Relatively soon after early earth cooled, life appeared. What is the name of the scientific theory concerning life’s origin? 5. What did Stanley Miller’s experiment in 1953 show? 6. Which scientist first proved that amino acids could polymerize (form chains) under the conditions of early earth? 7. Which scientist first showed that nucleotides could form under the conditions of early earth? 8. Which scientist first proved that lipid membranes could form around proteins and nucleic acids under the conditions of early earth? 9. Why is it believed that RNA was the first genetic material 10. Why did the first life forms have to resembled anaerobic bacteria ? 11. How did Cyanobacteria (blue-green algae that carry on photosynthesis change the earth’s atmosphere? 12. List two examples of a fossil. 13. In what type of rock do most fossils form? 14. What kind of fossils (older or younger) do you generally find in deeper layers of rock? 15. What is a radioactive isotope’s half life? 16. What is comparing protein structure and DNA sequences in order to show an organism’s ancestral relationships is called? 17. What kind of evidence of evolution is provided by the study of molecules that make up living things? 18. The flipper of a whale, the arm of a human the same number and type of bones. These structures are called 19. Name an example of a homologous bone structure. 20. What is comparing patterns of development in order to show organism’s ancestral relationships is called? 21. What is the name of Earth’s most recent era? 22. During the Mesozoic era, what were the dominant land animals? 23. Who was the first to suggest that living things evolved? 24. According to Lamark’s theory, could acquired traits get passed to the next generation? 25. During Darwin’s voyage of the Beagle, he made 3 major observations. What were they? a) b) c) 26. What were Darwin’s two inferences from his three observation? a) b) 27. According to Darwin’s theory, certain individuals will leave more offspring on average than to other individuals. Why is this? 28. What did Darwin name his theory? 29. What is biological fitness? 30. Charles Darwin’s observed that finches of different species on the Galapagos Islands have many similar physical characteristics. What did Darwin infer from this observation? 31. If a population is in Hardy-Weinburg equilibrium, what is not occurring? 32. What is the term used to describe all the genes of all the individuals that make up a population? 33. A change in a population’s gene pool due to chance is called ___________________ 34. What do we call a change in a population’s gene pool due to immigration or emigration? 35. In England, before the industrial revolution, tree bark was a lighter color and lighter moths out numbered darker moths 9:1. Following the industrial revolution, the burning of coal caused the tree bark to darken and darker moths then outnumbered the lighter moths 9:1. This is an example of what process? 36. Rosemary and Peter Grant’s study of the Galapagos finches show that at different times the number of large beak finches and small beak finches changed? What environmental force causes this fluctuation? 37. If an individual is born with a harmful mutation, what effect will this have on the gene pool? 38. If an insect is born with a gene mutation that allows it to be resistant to a particular pesticide, and the population is exposed to the pesticide what will happen to the percentage of individuals with that gene? 39. In a population of reptiles, large size was favored. Consequently, over the next million years, the average size of the reptile species increased. What kind of selection occurred? 40. What type of selection causes a population to become more alike? 41. An ancestral population of bears, resembling the modern black bear, was successful and their population increased over time. Selective pressures forced the migration of a part of the species north. Over the next million year natural selection in the north resulted in bears resembling the modern polar bear. What is the name of the process in which one species splits and becomes two different species? 42. Did Ramapithecus have a brain capacity slightly larger than chimps? 43. Lucy’s skeleton revealed that australopithecines were bipedal. What does this mean? 44. Homo habilis is best known for using what? 45. An anthropologist excavating an ancient campsite found charred bones of large mammals. He concluded that the campsite most likely belonged to what hominid species? 46. What provides the best evidence that modern man is a direct descendent of CroMagnon man?